| """ |
| Tests calling builtin functions using expression evaluation. |
| """ |
| |
| from __future__ import print_function |
| |
| |
| import lldb |
| from lldbsuite.test.decorators import * |
| from lldbsuite.test.lldbtest import * |
| from lldbsuite.test import lldbutil |
| |
| |
| class ExprCommandCallBuiltinFunction(TestBase): |
| |
| mydir = TestBase.compute_mydir(__file__) |
| |
| # Builtins are expanded by Clang, so debug info shouldn't matter. |
| NO_DEBUG_INFO_TESTCASE = True |
| |
| def setUp(self): |
| TestBase.setUp(self) |
| # Find the line number to break for main.c. |
| self.line = line_number( |
| 'main.cpp', |
| '// Please test these expressions while stopped at this line:') |
| |
| def test(self): |
| self.build() |
| |
| # Set breakpoint in main and run exe |
| self.runCmd("file " + self.getBuildArtifact("a.out"), CURRENT_EXECUTABLE_SET) |
| lldbutil.run_break_set_by_file_and_line( |
| self, "main.cpp", self.line, num_expected_locations=-1, loc_exact=True) |
| |
| self.runCmd("run", RUN_SUCCEEDED) |
| |
| interp = self.dbg.GetCommandInterpreter() |
| result = lldb.SBCommandReturnObject() |
| |
| # Test different builtin functions. |
| |
| interp.HandleCommand("expr __builtin_isinf(0.0f)", result) |
| self.assertEqual(result.GetOutput(), "(int) $0 = 0\n") |
| |
| interp.HandleCommand("expr __builtin_isnormal(0.0f)", result) |
| self.assertEqual(result.GetOutput(), "(int) $1 = 0\n") |
| |
| interp.HandleCommand("expr __builtin_constant_p(1)", result) |
| self.assertEqual(result.GetOutput(), "(int) $2 = 1\n") |
| |
| interp.HandleCommand("expr __builtin_abs(-14)", result) |
| self.assertEqual(result.GetOutput(), "(int) $3 = 14\n") |
